Knoxville Weather Forecast

    • 66
    • 92

    Mostly Sunny

    • 61
    • 84

    Partly Sunny

    • 63
    • 84

    Mostly Sunny

    • 73
    • 91

    Partly Sunny

    • 63
    • 90

    Chance Rain Showers

    • 61
    • 84

    Partly Sunny

Today 5 Sep Knox

Sunny. Highs in the lower 90s. North Winds 5 to 10 Mph. Heat index Values up to 107.

Tonight 5 Sep Knox

Partly cloudy. Humid with Lows in the mid 60s. Northeast Winds 5 to 10 Mph.

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Knoxville Temperature Statistics

September Temperature

Galesburg Municipal Airport (7.5 miles)

  • Lowest 2 September, 2026

    69.1 °F

  • Average September

    81.3 °F

  • Highest 1 September, 2026

    93.2 °F

Climate (2021–2026)

Galesburg Municipal Airport (7.5 miles)

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  • Average Low 2021–2026

    41.8 °F

  • Average 2021–2026

    52.1 °F

  • Average High 2021–2026

    62.5 °F
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